5^ Tha West x - Afnet if an Scientist. 



4009. Sketch of a new classification of roses. By Francois 

 Crepin. Reprinted from the Jour, of the Royal Hort. Soc.,, pt. 

 3, vol. XL, October, 1889. 12 pp. From the author. 



4010. Quintessence of socialism. By A. Schaffle. Trans 

 lated from the 8th German edition by Bernard Bosanquet, M. A., 

 New York. Humboldt library. No. 124. 1890. Price 15 cents. 

 From the publishers, 28 Lafayette place. 



401 1. Darwinism and politics. By David G. Ritchie, M. A., 

 and Administrative Nihilism. By Thomas H. Huxley, F. R. S., 

 New York. Humboldt library, No. 125. 1890. Price 15 cents. 

 From the publishers. 



4012. Phvsiognomy of expression. By Paolo Mantegazza. 

 Part 1, 3, New York, Humboldt library, No. 126 (double num- 

 ber). Price 30 cents. 



4013. Same. Part 2. Price 30 cents. From the publishers. 



4014. Cactaceous plants; their history and culture. By Lewis 

 Castle. With numerous illustrations. London, 1884. 8vo. 93 

 pp. Price one shilling. From Dr. P. Radenhausen. 



4015. Organogenie de la classe des Cactoides (Cac'tees, Fi- 

 •coides et Tetragoniees), et de celle des Berberinees (Berberidees, 

 Menispermees), par M. Payer. Ext. des Ann. des Sci. Nat., 

 XVIII, 1-24. With 6 plates. From Dr. P. Radenhausen. 



4016. Enumeratio diagnostica Cactearum Hucusque Cogni- 

 ?tarum. Auctore Ludovico PfeifTer. Berolini. 1837. &vo. 1 9 2 PP- 

 From Dr. P. Radenhausen 



4017. Revue de la Famille des Cactees avec des observations 

 suv leur vegetation et leur culture, ainsi que sur celles des autres 

 plantes grasses, par M. A. P. DeCandolle. Paris, 1829, 4. 120 

 pp. 21 plates. From Dr. P. Radenhausen. 



4018. Monographia Generis. Melocacti. - Auctore F. A. Guil. 

 Miguel. 1840, From Dr. P. Radenhausen. 4. 120 pp,, 11 

 plates. 



4019. Cactearum aliquot novarum ac insuetarum in Horto 

 Monvilliano cultarum accurata descriptio. Faciculus primus. 

 Curante C. Lemaire. 1838. 4. 40 pp. and plate. From Dr. P. 

 Radenhausen. 



4020. Cacteae in Horto Dyckensi cultae anno 1849. Jos. De 

 Salm-Dyck. 1850. From Dr. P. Radenhausen. 



